Base | Representation |
---|---|
bin | 10111111101100… |
… | …00010100010101 |
3 | 112000012212110100 |
4 | 23332300110111 |
5 | 402424001323 |
6 | 31540044313 |
7 | 4660321311 |
oct | 1376602425 |
9 | 460185410 |
10 | 201000213 |
11 | a3506487 |
12 | 57393699 |
13 | 3284764b |
14 | 1c9a2b41 |
15 | 129a5943 |
hex | bfb0515 |
201000213 has 6 divisors (see below), whose sum is σ = 290333654. Its totient is φ = 134000136.
The previous prime is 201000211. The next prime is 201000229. The reversal of 201000213 is 312000102.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 102454884 + 98545329 = 10122^2 + 9927^2 .
It is not a de Polignac number, because 201000213 - 21 = 201000211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22333357 = 201000213 / (2 + 0 + 1 + 0 + 0 + 0 + 2 + 1 + 3).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201000195 and 201000204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201000211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11166670 + ... + 11166687.
Almost surely, 2201000213 is an apocalyptic number.
It is an amenable number.
201000213 is a deficient number, since it is larger than the sum of its proper divisors (89333441).
201000213 is a wasteful number, since it uses less digits than its factorization.
201000213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22333363 (or 22333360 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 201000213 is about 14177.4543906866. The cubic root of 201000213 is about 585.7768071811.
Adding to 201000213 its reverse (312000102), we get a palindrome (513000315).
The spelling of 201000213 in words is "two hundred one million, two hundred thirteen", and thus it is an aban number.
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